๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Estimating photosynthetically active radiation from measured solar irradiance

โœ Scribed by William J. Blackburn; John T.A. Proctor


Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
138 KB
Volume
31
Category
Article
ISSN
0038-092X

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๐Ÿ“œ SIMILAR VOLUMES


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Measurements of photosynthetically active radiation (400--700 nm) and shortwave irradiance (ca. 300--2,000 nm) were made over a 14-month period at College Station, Texas. The proportion of photosynthetically active radiation changed with intensity of incident irradiance and length of photoperiod. Fo

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The instrument consists of a solarimeter fitted with a hemisphere of heat-absorbing glass. By this means, a well-tried instrument, already widely used in meteorological stations for the measurement of total incident radiation, is converted into an instrument suitable for measuring photosynthetically